Home / 146,970.56-202,820.76-79,904

Finding the Fourth Proportional to 146,970.56, 202,820.76 and 79,904

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Solution

The fourth proportional to 146,970.56, 202,820.76 and 79,904 is: 110,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,970.56 : 202,820.76 = 79,904 : x
  2. Step 2: Convert to fraction form
    146,970.56/202,820.76 = 79,904/x
  3. Step 3: Cross multiply
    146,970.56x = 202,820.76 × 79,904
  4. Step 4: Simplify right side
    146,970.56x = 16,206,190,007.04
  5. Step 5: Solve for x
    x = 16,206,190,007.04/146,970.56
  6. Step 6: Final answer
    x = 110,268.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.